package org.jetnuke.modules.admin.topics;

import java.util.Iterator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.velocity.VelocityContext;
import org.jetnuke.common.ActionForward;
import org.jetnuke.common.IAction;
import org.jetnuke.common.IAdminInfo;
import org.jetnuke.common.IModuleInfo;
import org.jetnuke.common.IUserInfo;
import org.jetnuke.dao.DataAccessDriver;
import org.jetnuke.servlets.utilities.GetResources;

public class EditTopic implements IAction {
	int topicid;

	public void setTopicid(int topicid) {
		this.topicid = topicid;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.jetnuke.common.IAction#exec(javax.servlet.http.HttpServletRequest,
	 *      javax.servlet.http.HttpServletResponse,
	 *      org.apache.velocity.VelocityContext, org.jetnuke.common.IModuleInfo,
	 *      java.lang.String, org.jetnuke.common.IUserInfo,
	 *      org.jetnuke.common.IAdminInfo)
	 */
	public ActionForward exec(HttpServletRequest request,
			HttpServletResponse response, VelocityContext vc, IModuleInfo info,
			String op, IUserInfo ui, IAdminInfo ai) throws Exception {
		if(ai==null ||  (!ai.IsSuperUser() && !ai.isAdminTopic()))
			return null;
		List ls = GetResources.getFileNames(request.getSession(true)
				.getServletContext(), "/images/topics/");
		Iterator it = ls.iterator();
		while (it.hasNext()) {
			String str = (String) it.next();
			if (str.equals("AllTopics.gif")) {
				it.remove();
				break;
			}
		}
		vc.put("files", ls);
		vc.put("topic", DataAccessDriver.getInst().newTopicsDAO().retrieveByPK(topicid));
		return new ActionForward(op, info);
	}

}
